Flush tank valve closer



FIG. 1 is a front elevational view of a flush tank valve closer showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of the rights side shown.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a design for a flush tank valve closer, substantially as shown and described. 